128661572 (number)

128661572 is an even 9-digits composite number following 128661571 and preceding 128661573. In scientific notation, it is written as 1.28661572 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 59382240 positive integers (up to 128661572) that are relatively prime to 128661572.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred sixty-one thousand five hundred seventy-two

Notation

Scientific notation 1.28661572 × 10^8
Engineering notation 1.28661572 × 10^6

Prime Factorization of 128661572

Prime Factorization 2 × 2 × 13 × 2474261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64330786
Product of the distinct prime numbers

The prime factorization of 128661572 is 2 × 2 × 13 × 2474261. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128661572)

Multiplication

n×y
n×2 257323144
n×3 385984716
n×4 514646288
n×5 643307860

Division

n÷y
n÷2 64330786
n÷3 42887190.666667
n÷3 32165393
n÷5 25732314.4

Exponentiation

ny
n2 16553800109511184
n3 2.1298379446635E+24
n4 2.7402829806565E+32
n5 3.5256911601611E+40

Nth Root

y√n
2√n 11342.908445368
3√n 504.83518720667
4√n 106.50309124794
5√n 41.868728360142

Divisors of 128661572

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128661571
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128661572 can be divided by 12 positive divisors. The sum of these divisors (counting 128661572) is 1, the average is 0.083333333333333.

Base conversion 128661572

Base System Value
2 Binary 111101010110011100001000100
3 Ternary 22222002200111102
4 Quaternary 13222303201010
5 Quinary 230414132242
6 Senary 20433355232
8 Octal 752634104
10 Decimal 128661572
12 Duodecimal 37108b18
16 Hexadecimal 7ab3844
20 Vigesimal 2042dic
36 Base36 24lnwk

Cryptographic Hash Functions

md5 563c3ef35977ac1071f5f68b4760e89c
sha1 f84907a22c0a4c0b699cbca14d9f67968f2d0e09
sha256 64ef042829008888bda78fc77b410c3b205c720d7569ba7bdbecf69d0f9ec265
sha512 11e72f91cdb5fc5dff0af079660a55b47a02f0c121e4ae7bc9cf9df26ff1ccc3d4b65584323892e3950efae316310b8cfb0b5008dc521369677b3f5eabd391ea
ripemd-160 b7a7d3c2adf321ea2a06a53ffb7ec43c1c880d00

128661572 as geometric shapes

Circle

Radius = n
Diameter 257323144
Circumference 808404498.78903
Area 5.2005296813034E+16

Sphere

Radius = n
Volume 8.9214443203888E+24
Surface area 2.0802118725214E+17
Circumference 808404498.78903

Square

Length = n
Perimeter 514646288
Area 16553800109511184
Diagonal 181954940.07864

Cube

Length = n
Surface area 99322800657067104
Volume 2.1298379446635E+24
Space diagonal 222848379.68568

Equilateral Triangle

Length = n
Perimeter 385984716
Area 7.1680057120032E+15
Altitude 111424189.84284

Triangular Pyramid

Length = n
Surface area 7.1680057120032E+15
Volume 2.5100380891666E+23
Height 60651646.692881